# COSMO vs Greco | Group Chat

The clearest difference is review sentiment: COSMO at 60% against Greco | Group Chat's 0%. COSMO also leads on ratings volume (276 vs 3). Greco | Group Chat's advantage is rating (4.3 vs 3.0) and update cadence (weekly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Greco | Group Chat holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: COSMO has 276 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 60% of COSMO's written reviews are positive against 0% of Greco | Group Chat's, so the app with the better star average is not the one people write more warmly about.

COSMO ships an update every 2 months, Greco | Group Chat weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | COSMO | Greco | Group Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (276 ratings)](https://appshunter.io/ios/app/cosmo-mission-control/id1580600845/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/greco-group-chat/id6740424574/reviews)** |
| Number of ratings | **276** | 3 |
| Positive reviews | **59.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 20 MB | 62 MB |
| Requires iOS | 16.0 | **15.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [com.cosmo.smartwatch](https://appshunter.io/developer/1525824151) | [Joshua Forrest](https://appshunter.io/developer/1666217294) |

## What reviewers say

### COSMO

[App page](https://appshunter.io/ios/app/cosmo-mission-control/id1580600845)

This app allows parents to manage a child's smart watch for safety and communication. It offers GPS tracking, contact management, and customizable alerts for peace of mind. Parents can also monitor activity and set quiet times for school.

**Highlights:** GPS location tracking, Approved contact management, Geo-fence 'SafeZone' alerts, School Mode for distraction-free learning, SOS emergency alerts, Activity tracking and goals, Customizable alarms and reminders

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable tracking and communication
- 👍 User-friendly app and watch design
- 🔒 Parental controls and safety features
- 💡 Helpful for giving kids independence

**What reviewers complain about**

- 🐛 Inconsistent location tracking and updates
- 🔋 Poor battery life
- 🔇 Unreliable call quality
- 🤔 Limited functionality compared to expectations

**Reported bugs**

- Activation and account setup issues
- Frequent app crashes and freezes
- Inconsistent connectivity and service disruptions
- Inability to disable watch without parental access

**Requested features**

- Improved location tracking accuracy and real-time updates
- Ability for all approved contacts to text the child
- Integrated parental portal within the app
- Additional features like video calling, night mode, and more customization


### Greco | Group Chat

[App page](https://appshunter.io/ios/app/greco-group-chat/id6740424574)

This app facilitates group communication specifically designed for classroom settings. It offers a streamlined way for students and educators to connect and manage group activities within an educational context.

**Highlights:** Classroom group chat, Group management tools, Educational communication, Student-teacher interaction, Streamlined messaging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is COSMO free?

COSMO is free to download, with no in-app purchases.

### Is Greco | Group Chat free?

Greco | Group Chat is free to download, with no in-app purchases.

### Which has better reviews, COSMO or Greco | Group Chat?

Greco | Group Chat is rated higher. COSMO averages 3.0 out of 5 from 276 ratings, while Greco | Group Chat averages 4.3 from 3 ratings.

### Do COSMO or Greco | Group Chat have ads?

Neither COSMO nor Greco | Group Chat shows ads.

### Which is updated more often, COSMO or Greco | Group Chat?

COSMO ships an update every 2 months, and Greco | Group Chat weekly. Most recently, COSMO was updated on November 3, 2026 and Greco | Group Chat on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*